All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.fasterxml.jackson.databind.ser.std.StdKeySerializer Maven / Gradle / Ivy

Go to download

Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.

There is a newer version: 2.10.9.2
Show newest version
package com.fasterxml.jackson.databind.ser.std;

import java.io.IOException;
import java.lang.reflect.Type;
import java.util.Date;

import com.fasterxml.jackson.core.*;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;

/**
 * Specialized serializer that can be used as the generic key
 * serializer, when serializing {@link java.util.Map}s to JSON
 * Objects.
 */
public class StdKeySerializer
    extends StdSerializer
{
    final static StdKeySerializer instace = new StdKeySerializer();

    public StdKeySerializer() { super(Object.class); }
    
    @Override
    public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException
    {
        if (value instanceof Date) {
            provider.defaultSerializeDateKey((Date) value, jgen);
        } else {
            jgen.writeFieldName(value.toString());
        }
    }

    @Override
    public JsonNode getSchema(SerializerProvider provider, Type typeHint)
        throws JsonMappingException
    {
        return createSchemaNode("string");
    }
    
    @Override
    public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint)
            throws JsonMappingException
    {
        visitor.expectStringFormat(typeHint);
    }
}
    

    

    

                
 
            

    

                
 
            



    
    






    
© 2015 - 2024 Weber Informatics LLC | Privacy Policy